photo: Public Domain / Fir0002
Wandering Whistling Duck
photo: Creative Commons / J.M.Garg
In a Lotus pond in Kolkata, West Bengal, India.
photo: Creative Commons / Nnc.banzai
Fulvous Whistling Duck
photo: Creative Commons / Magnus Manske
Steam Whistle Brewing
photo: Creative Commons / Duncan Wright
The Fulvous Whistling Duck, Dendrocygna bicolor, is a whistling duck which breeds across the world's tropical regions in much of Central and South America, Sub-Saharan Africa, the Indian subcontinent, and the Gulf Coast of the United States.
photo: Creative Commons / Hans Stieglitz
Blue-footed boobies on Española. Blue-foots will make raucous or polysyllabic grunts or shouts and thin whistle noise. The males of the species have been known to throw up their head and whistle at a passing, flying female
photo: Creative Commons / Lmbuga
Black-bellied Whistling Duck
photo: Creative Commons / Dick Clark Mises
On Isla de la Plata, Blue-foots will make raucous or polysyllabic grunts or shouts and thin whistle noise
photo: Creative Commons
A side view of DMSO vehicle No. 38117 from Class 378/0 Capital star EMU No. 378017. In addition to the usual two-tone horn, Class 378 units are also fitted with a London Underground type kettle whistle (referred to as a depot whistle).
photo: US Coastguard
WALES, Alaska Coast Guardsmen walk across a bridge with children who received boating safety whistles from a boating safety presentation Friday, August 6, 2010. Coast Guard Auxiliary gave 35 whistles to children in the village of 145. Coast Guard photo taken by Petty Officer 3rd Class Walter Shinn. (964057) ( Arctic Crossroads 2010 )
photo: Creative Commons / Glen Fergus
Plumed Whistling-Duck, Dendrocygna eytoni; wild bird
photo: Alaska Image Library
Fulvous Whistling Duck
photo: Washington DC Library
Fulvous Whistling Duck
photo: Washington DC Library
Fulvous Whistling Duck
photo: Creative Commons / Alan D. Wilson
Black-Bellied Whistling Duck
photo: Creative Commons / Aviceda
Spotted Whistling Duck
photo: WN / Aruna Mirasdar
a boy trying to teach the other boy to whistle
photo: Creative Commons / Hans Hillewaert
Black-bellied Whistling-Duck
photo: Creative Commons / Neil T
Two Fulvous Whistling Duck (Dendrocygna bicolor)
photo: ESA/NASA/JPL/University of Arizona
2006/05/04 Titan Descent Data Movie with Bells and Whistles - Click on the image for QuickTime Movie of Titan Descent Data Movie with Bells and Whistles This movie, built with data collected during the European Space Agency´s Huygens probe on
photo: ESA/NASA/JPL/University of Arizona
2006/05/04 Titan Descent Data Movie with Bells and Whistles - Click on the image for QuickTime Movie of Titan Descent Data Movie with Bells and Whistles This movie, built with data collected during the European Space Agency´s Huygens probe on
photo: ESA/NASA/JPL/University of Arizona
2006/05/04 Titan Descent Data Movie with Bells and Whistles - Click on the image for QuickTime Movie of Titan Descent Data Movie with Bells and Whistles This movie, built with data collected during the European Space Agency´s Huygens probe on
photo: ESA/NASA/JPL/University of Arizona
2006/05/04 Titan Descent Data Movie with Bells and Whistles - Click on the image for QuickTime Movie of Titan Descent Data Movie with Bells and Whistles This movie, built with data collected during the European Space Agency´s Huygens probe on
photo: ESA/NASA/JPL/University of Arizona
2006/05/04 Titan Descent Data Movie with Bells and Whistles - Click on the image for QuickTime Movie of Titan Descent Data Movie with Bells and Whistles This movie, built with data collected during the European Space Agency´s Huygens probe on
photo: Creative Commons
Indian composer A.R. Rahman opens the studios at Subhash Ghai's Whistling Woods International film school.
photo: Creative Commons / J.M.Garg
The Lesser Whistling Duck Dendrocygna javanica, also known as Indian Whistling Duck, is a small whistling duck which breeds in South Asia and southeast Asia. It may also be called the Lesser Whistling Teal (based on an older classification), or the Tree Duck[2].
photo: WN / Janice Sabnal
A Traffic Policeman blows his whistle to call the attention of a motorist in Bankerohan Market, Davao City, Philippines
photo: WN / John Sahid
Match referee gestures blows his whistle during the CAF champions league between Esperance of Tunisia and E E Lions of Sierra LEone.
photo: Creative Commons
Steam engine
photo: WN / John Sahid
East End Lions left-back gestures as referee blows his whistle for a foul during the CAF champions League match against Esperance of Tunisia.